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Celestion G12M-25 Greenback 16 Ohm

111 Customer ratings

4.9 / 5

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58 Reviews

Celestion G12M-25 Greenback 16 Ohm
$122
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A
Amazing Speaker! This has made my 1x12 a favourite...
Anonymous 18.04.2015
I have a Blackstar HT5 I use for practice and rehearsals, I bought it with it's matching 1x12 cab, which uses a Blackstar branded speaker inside as standard. However I never really enjoyed the sound the amp gave me in this configuration and after playing through a Marshall Greenback cab I knew I needed some Greenback love in my life, so I chose to replace the crappy speaker in my Blackstar cab with this one. And since then I've never looked back.

This speaker has a lovely warm low end I enjoy, and even though I play metal, which you could say is very atypical of the typical user of this speaker, I actually have found it to be very capable of giving a nice tight metal tone, but still having that low end thump I love, which you get from Greenbacks. It's very hard to describe but after listening to many YouTube comparisons I felt this was the sound I wanted, I suggest you do the same as tone is very subjective after all.

Although I must stress that this is a very low wattage speaker, at 25w you will need to be careful what amp you hook up to it, also this means there's little clean headroom before you get speaker breakup, even my 5w Blackstar achieves this where it's original speaker was quite rigid in sound.

I have fallen in love with this speaker's sound and even though I play cranked a lot of the time I have had no issues with the speaker at all, and I've had it in that cab many months now. But then it is a Celestion and they are pure quality.

Great service from Thomann once again, and a great price too.
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R
Brilliant is the only description I can give to this speaker
RobW 18.06.2015
Brilliant is the only description I can give to this speaker. I needed a suitable speaker for my JTM45, so this was the obvious choice although I had considered the G12H also as it had a little more power. I was never quite happy with the speakers I had, they didn?t pair up well with the JTM45, somehow, no sparkle a bit bland sounding too much volume and poor tone. Within minutes of installing the G12M in the cab I knew it was the right speaker for this amp. Hendrix in spades, sparkly cleans with a small amount of break up, in fact just the right sound for any late sixties early seventies music. You can spend a lot of time and money looking for the right speaker, I will never look back, I?m glad I bought this one but obviously will have to buy another three to compliment it.
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J
A true classic !
James_2 14.12.2021
Not much to say except this is THE most iconic guitar speaker since the 60s. Chewy, Woody, Crunchy, an excellent sounding speaker, it is here to stay forever and ever.
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Sparkle your guitarsound!
Gegginator 26.04.2020
This is one of the best amp speakers I have ever used. I have coupled this with a 16ohm V30 in a daisychained 8 OHM setup in a 4x12 cab. There are two more speakers in the cab but they are disconnected and on in use. BUT this setup has now become my go to cab to record both V30 and GBK speaker takes for layering a perfect Mid + Side setups.
The sound of the GBK makes my single recordings sound like a double tracked stereo guitar stem.
GBK my love, until death makes us apart <3
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Supergoed
Robbie3 21.05.2021
Ik had budget Celestions in mijn 4x12 Marshall cabinet. Ik heb de speakers vervangen door 4 Greenbacks. Het verschil in geluid is amazing. Ik gebruik nu minder gain, minder bass en treble en alles klinkt zo veel beter. Een aanrader voor classic rock en blues sound.
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Best speaker to go to for classic punk/rock
CreepBG 22.06.2020
For me this is the best speaker for classic punk/rock. Only drawback is 25W of power, but get 4 of these for a total of 100W warm valve distortion.
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MC
Great, classic-sounding guitar speaker
Martin C. 377 14.05.2013
I was looking for a speaker to complement a Celestion G12H30 (which has great highs and lows, but is a little lacking in the midrange), and a friend suggested I tried a Greenback. This is in a rig with a Egnater Tweaker head and a pair of 1x12 cabinets. Well, my friend was right - the Greenback on its own is a very traditional sounding speaker, not amazingly versatile, but very warm and middly. The combination of the two speakers gave me the perfect crisp and full-bodied guitar tone I was looking for. The only thing I would say is that as it's only a 25-watt speaker, you need to be careful which amp you use it with. With a 15 watt amp, it's ideal, but for more power handling, I'd look seriously at the Creamback 65, which sounds very similar but with a higher output.
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Very satisfied
Anto- 06.03.2023
The sound of rock... installed in a G212 cabinet that came with celestion v30. The cabinet with the old speaker was ok... but it gained a lot of warmth and creaminess with the greenbacks... highly recommended!
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Kovyazin 10.09.2024
Best speaker for me. Gives me the sound i need. Suitable for different genres
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Amazing Speaker
Viepe22 24.06.2022
Love the sound of it, I just find it a bit thin. But if mixed with another fatter speaker, you can have a full sound with the amazing texture of the Greenbacks
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Celestion G12M-25 Greenback 16 Ohm